Adobe's software does—you pay once and own the software until you need to upgrade it. The DxO PhotoLab Essential edition costs $149.99. It lacks some of the newest and most powerful tools. The ...

Transposable elements, or "jumping genes", were first identified by Barbara McClintock more than 50 years ago. Why are transposons so common in eukaryotes, and exactly what do they do? In addition, ...